In this Sex Tech installment, a cyberlocker sued by Big Porn disappears, a twist in virtual girlfriending gets Slate's panties in a bunch, Chinese citizens defy governmental online sex prohibition, and much more.

After accusations of porn infringement, FileSonic goes AWOL

Hong Kong based FileSonic has become the latest cyberlocker service to go offline.

The service used to be one of the most popular file-sharing sites, but had restricted its members' ability to access other's uploads after the Megaupload arrests.

It follows the closure of Oron, another file-sharing site. Both services were being sued by porn company Flava Works for alleged infringement, even though FileSonic (in particular) had disabled public filesharing months before the complaint was filed.

Touchable virtual Hatsune Miku touches a nerve

The ASUS Xtion Pro motion sensor allows users to project an image of Japanese pop star Hatsune Miku into their lives and see her with video goggles.A “virtual girlfriend” augmented reality system recently caused a bit of a stir on blogs such as Slate.